*{margin: 0;padding: 0;}
a{color: #000;font-size: 18px;}
.bgone{width: 100%;min-height: 2200px; 
position: relative;position: fixed; z-index: 99;}

.bgone div{position: fixed;left: 50px;top: 30px;font-size: 16px;}
.bgone .center{margin-left: 430px;position: fixed; top: 0; left: 0; z-index: 999;}
.bgone .center li{float: left; top: 50px;left: 50px;margin-right: 50px;margin-top: 27px;}
.bgone .rig{margin-left: 1280px; position: fixed;top: 0; left: 0; z-index: 999;}
.bgone .rig li{float: right;top: 50px;left: 50px;margin-right: 20px;margin-top: 27px;font-size: 16px;}
.bgone h2{margin-left: 660px;position: fixed;font-size: 40px;margin-top: 120px;top: 0; left: 0; z-index: 999;}
.bgone h6{margin-left: 704px;position: fixed;text-decoration: underline;margin-top: 166px;font-size: 4px;top: 0; left: 0; z-index: 999;}
.bgone span:nth-child(6){width: 250px ; height: 40px;background-color: black;cursor: pointer;display: inline-block;position: fixed;left: 410px;top: 620px;color: #fff;border-radius: 25px;text-align: center;line-height: 40px;}
.bgone span:nth-child(7){width: 250px ; height: 40px;background-color: #fff;cursor: pointer;display: inline-block;position: fixed;left: 850px;top: 620px;color: #000;border-radius: 25px;text-align: center;line-height: 40px;opacity: .6;}

 